With this view I have often considered our schistus mountains, both in
the north and south; but I never found any satisfactory appearance from
whence conclusions could be formed, whether for the question or against
it. The places I examined were those between the alpine countries and
the horizontal strata; here, indeed, I have frequently found a confused
mass, formed of the fragments of those alpine strata mixed with the
materials of the horizontal bodies; but not having seen the proper shape
and connection of those several deposits, I always suspended my judgment
with regard to the particular operations which might have been employed
in producing those appearances.
I had long looked for the immediate junction of the secondary or low
country strata with the alpine schistus, without finding it; the first
place in which I observed it was at the north end of the island of
Arran, at the mouth of Loch Ranza; it was upon the shore, where the
inclined strata appeared bare, being; washed by the sea. It was but a
very small part that I could see; but what appeared was most distinct.
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